Read the docs
TI-2026-05365 Aliases CVE-2026-6121GHSA-hq9c-mf84-h34f

Tenda F451 httpd WrlclientSet stack-based overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A flaw has been found in Tenda F451 1.0.0.7. Affected by this vulnerability is the function WrlclientSet of the file /goform/WrlclientSet of the component httpd. This manipulation of the argument GO causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00511 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaF4511.0.0.7—No fix listedCNA
  • F451 VendorTenda Affected 1.0.0.7 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:f451_firmware:1.0.0.7:*:*:*:*:*:*:*1.0.0.7VulnerableTenda
cpe:2.3:h:tenda:f451:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:f451_firmware:1.0.0.7:*:*:*:*:*:*:* Versions 1.0.0.7 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:f451:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6121
  2. 2026-10-03 Alias added: GHSA-hq9c-mf84-h34f
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

Other 1

  • TI-2026-05381 Tenda F451 AdvSetWan fromAdvSetWan stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-05380 Tenda F451 L7Im frmL7ImForm stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-05379 Tenda F451 SetIpBind fromSetIpBind stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-05377 Tenda F451 SafeUrlFilter fromSafeUrlFilter stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-05368 Tenda F451 httpd SafeMacFilter fromSafeMacFilter stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-05367 Tenda F451 httpd addressNat fromAddressNat stack-based overflow CVSS 4.0HIGH 8.7
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences